Journal
MOLECULES
Volume 27, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/molecules27051633
Keywords
cerrado; Anacardiaceae; aroeira; biological properties; virtual screening; chemoinformatics
Funding
- CAPES
- CNPq
- FAPEMIG
- IFMG
- UFMG
- UFMT
- UNIFEI
- UFSJ
- Technical Cooperation
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This study aimed to identify the volatile compounds present in aroeira seeds and investigate their anti-inflammatory potential through virtual docking analysis and pharmacophoric descriptor analysis. The results showed that the compounds present in aroeira seeds have the ability to bind to the active sites of COX-I, iNOSas, and iNOScs, indicating high biotechnological and pharmaceutical potential.
Myracrodruon urundeuva Fr. Allem. (Anacardiaceae) is a tree popularly known as the aroeira-do-sertao, native to the caatinga and cerrado biomes, with a natural dispersion ranging from the Northeast, Midwest, to Southeast Brazil. Its wood is highly valued and overexploited, due to its characteristics such as durability and resistance to decaying. The diversity of chemical constituents in aroeira seed has shown biological properties against microorganisms and helminths. As such, this work aimed to identify the profile of volatile compounds present in aroeira seeds. Headspace solid phase microextraction was employed (HS-SPME) using semi-polar polydimethylsiloxane-divinylbenzene fiber (PDMS/DVB) for the extraction of VOCs. 22 volatile organic compounds were identified: nine monoterpenes and eight sesquiterpenes, in addition to six compounds belonging to different chemical classes such as fatty acids, terpenoids, salicylates and others. Those that stood out were p-mentha-1,4, 4(8)-diene, 3-carene (found in all samples), caryophyllene and cis-geranylacetone. A virtual docking analysis suggested that around 65% of the VOCs molar content from the aroeiras seeds present moderate a strong ability to bind to cyclooxygenase I (COX-I) active site, oxide nitric synthase (iNOS) active site (iNOSas) or to iNOS cofactor site (iNOScs), corroborating an anti-inflamatory potential. A pharmacophoric descriptor analysis allowed to infer the more determinant characteristics of these compounds' conferring affinity to each site. Taken together, our results illustrate the high applicability for the integrated use of SPME, in silico virtual screening and chemoinformatics tools at the profiling of the biotechnological and pharmaceutical potential of natural sources.
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